The Notre Dame Bookstore Sleep Shirt in Navy is a vintage T-shirt made in the USA by the Notre Dame Book Store brand. This one-size-fits-all shirt features a solid blue color, short sleeves, a crew neckline, and a knit cotton blend material. With a regular fit and easy care instructions, this lightweight and breathable shirt is perfect for all seasons and is machine washable for convenience. The design includes the Notre Dame logo as an accent, making it a classic and comfortable addition to any man's wardrobe.